18
Yasuo MIAKE, Univ. of Tsukuba
PMT selections
•PMT
Requirements
–Photon
counting
•Gain; >
10**6
•Low dark
current
–Non-UV
–Larger
diameter
–Cost
•Hamamatsu
recommended
–2” ;
R6231
–3” ;
R6233
•Russian
PMT’s will be also evaluated
R329
R6231
R6233
33,800
36,400
46,800
52,000
R6233
29,200
31,500
40,500
45,000
R6231
>800
>400
A few
Cost
No.
Nucl.Inst.Meth. 406(1998)213